
GAME_TITLE     := Game Title
GAME_SUBTITLE1 := Subtitle 1
GAME_SUBTITLE2 := Subtitle 2

#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------

ifeq ($(strip $(DEVKITARM)),)
$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
endif

include $(DEVKITARM)/ds_rules

#---------------------------------------------------------------------------------
# TARGET is the name of the output
# BUILD is the directory where object files & intermediate files will be placed
# SOURCES is a list of directories containing source code
# INCLUDES is a list of directories containing extra header files
# DATA is a list of directories containing binary files embedded using bin2o
# GRAPHICS is a list of directories containing image files to be converted with grit
# SOUNDS is a list directories containing sound files to be converted with mmutil
#---------------------------------------------------------------------------------
TARGET     := $(shell basename $(CURDIR))
BUILD      := build
SOURCES    := source
INCLUDES   := include
DATA       := data
GRAPHICS   := graphics
SOUNDS     := audio

#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
ARCH     := -mthumb -mthumb-interwork

CFLAGS   := -g -Wall -O2\
            -march=armv5te -mtune=arm946e-s -fomit-frame-pointer\
            -ffast-math\
            $(ARCH)

CFLAGS   += $(INCLUDE) -DARM9
CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions

ASFLAGS  := -g $(ARCH)
LDFLAGS   = -specs=ds_arm9.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)

#---------------------------------------------------------------------------------
# any extra libraries we wish to link with the project (order is important)
#---------------------------------------------------------------------------------
LIBS := -lmm9 -lnds9
 
#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS := $(LIBNDS)

#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------
ifneq ($(BUILD),$(notdir $(CURDIR)))
#---------------------------------------------------------------------------------

export OUTPUT  := $(CURDIR)/$(TARGET)

export VPATH   := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir))\
                  $(foreach dir,$(DATA),$(CURDIR)/$(dir))\
                  $(foreach dir,$(GRAPHICS),$(CURDIR)/$(dir))

export DEPSDIR := $(CURDIR)/$(BUILD)

SFILES   := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
CFILES   := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
PNGFILES := $(foreach dir,$(GRAPHICS),$(notdir $(wildcard $(dir)/*.png)))
BMPFILES := $(foreach dir,$(GRAPHICS),$(notdir $(wildcard $(dir)/*.bmp)))
JPGFILES := $(foreach dir,$(GRAPHICS),$(notdir $(wildcard $(dir)/*.jpg)))
PCXFILES := $(foreach dir,$(GRAPHICS),$(notdir $(wildcard $(dir)/*.pcx)))
BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*))) soundbank.bin

export AUDIOFILES := $(foreach dir,$(notdir $(wildcard $(SOUNDS)/*.*)),$(CURDIR)/$(SOUNDS)/$(dir))

#---------------------------------------------------------------------------------
# use CXX for linking C++ projects, CC for standard C
#---------------------------------------------------------------------------------
ifeq ($(strip $(CPPFILES)),)
	export LD := $(CC)
else
	export LD := $(CXX)
endif

#---------------------------------------------------------------------------------

export OFILES   := $(addsuffix .o,$(BINFILES))\
                   $(PNGFILES:.png=.o) $(BMPFILES:.bmp=.o)\
                   $(JPGFILES:.jpg=.o) $(PCXFILES:.pcx=.o)\
                   $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
 
export INCLUDE  := $(foreach dir,$(INCLUDES),-iquote $(CURDIR)/$(dir))\
                   $(foreach dir,$(LIBDIRS),-I$(dir)/include)\
                   -I$(CURDIR)/$(BUILD)

export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)

icons := $(wildcard *.bmp)

ifneq (,$(findstring $(TARGET).bmp,$(icons)))
	export GAME_ICON := $(CURDIR)/$(TARGET).bmp
else
	ifneq (,$(findstring icon.bmp,$(icons)))
		export GAME_ICON := $(CURDIR)/icon.bmp
	endif
endif

.PHONY: $(BUILD) clean

#---------------------------------------------------------------------------------
$(BUILD):
	@[ -d $@ ] || mkdir -p $@
	@make --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile

#---------------------------------------------------------------------------------
clean:
	@echo clean ...
	@rm -fr $(BUILD) $(TARGET).elf $(TARGET).nds $(TARGET).arm9

#---------------------------------------------------------------------------------
else
 
#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(OUTPUT).nds  : $(OUTPUT).arm9
$(OUTPUT).arm9 : $(OUTPUT).elf
$(OUTPUT).elf  : $(OFILES)

#---------------------------------------------------------------------------------
soundbank.bin : $(AUDIOFILES)
#---------------------------------------------------------------------------------
	@mmutil $^ -d -osoundbank.bin -hsoundbank.h

#---------------------------------------------------------------------------------
%.bin.o : %.bin
#---------------------------------------------------------------------------------
	@echo $(notdir $<)
	$(bin2o)

#---------------------------------------------------------------------------------
# This rule creates assembly source files using grit
# grit takes an image file and a .grit describing how the file is to be processed
# add additional rules like this for each image extension
# you use in the graphics folders
#---------------------------------------------------------------------------------
%.s %.h : %.png %.grit
#---------------------------------------------------------------------------------
	grit $< -fts -o$*

-include $(DEPSDIR)/*.d
#---------------------------------------------------------------------------------
%.s %.h : %.bmp %.grit
#---------------------------------------------------------------------------------
	grit $< -fts -o$*

-include $(DEPSDIR)/*.d
#---------------------------------------------------------------------------------
%.s %.h : %.jpg %.grit
#---------------------------------------------------------------------------------
	grit $< -fts -o$*

-include $(DEPSDIR)/*.d
#---------------------------------------------------------------------------------
%.s %.h : %.pcx %.grit
#---------------------------------------------------------------------------------
	grit $< -fts -o$*

-include $(DEPSDIR)/*.d
#---------------------------------------------------------------------------------
%.s %.h : %.png
#---------------------------------------------------------------------------------
	grit $< -fts -o$* -ff default.grit

-include $(DEPSDIR)/*.d
#---------------------------------------------------------------------------------
%.s %.h : %.bmp
#---------------------------------------------------------------------------------
	grit $< -fts -o$* -ff default.grit

-include $(DEPSDIR)/*.d
#---------------------------------------------------------------------------------
%.s %.h : %.jpg
#---------------------------------------------------------------------------------
	grit $< -fts -o$* -ff default.grit

-include $(DEPSDIR)/*.d
#---------------------------------------------------------------------------------
%.s %.h : %.pcx
#---------------------------------------------------------------------------------
	grit $< -fts -o$* -ff default.grit

-include $(DEPSDIR)/*.d

#---------------------------------------------------------------------------------
#---------------------------------------------------------------------------------
#%.pcx.o	:	%.pcx
#---------------------------------------------------------------------------------
#	@echo $(notdir $<)
#	@$(bin2o)

#-include $(DEPSDIR)

#---------------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------------
